package com.hmall.api.item.fallback;

import com.hmall.api.item.ItemClient;
import com.hmall.api.item.dto.ItemDTO;
import com.hmall.api.trade.dto.OrderDetailDTO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.openfeign.FallbackFactory;
import org.springframework.stereotype.Component;

import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * TODO
 *
 * @Author huang
 * @Date 2025/6/18 2025/6/18
 */
@Component
@Slf4j
public class ItemClientFallbackFactory implements FallbackFactory<ItemClient>{
    @Override
    public ItemClient create(Throwable cause) {
        /**
         * 降级处理逻辑
         */
        return new ItemClient() {
            @Override
            public List<ItemDTO> queryItemByIds(Collection<Long> ids) {
                log.error("远程调用ItemClient#queryItemByIds方法出现异常，参数：{}", ids, cause);
                return Collections.emptyList();
            }

            @Override
            public void deductStock(List<OrderDetailDTO> items) {
                log.error("远程调用ItemClient#deductStock扣减库存失败,参数:{}",items,cause);
            }
        };
    }
}
